PAVLOV, IVAN (1849-1936). Photographic reproduction inscribed and signed ("I.P. Pavlov"), n.p., n.d. [circa 1925]. 213 x 121 mm. (8 3/8 x 5¾ in) including mount, a few minor creases. A shoulder-length portrait, inscribed on the mount: "The first success of man is to choose his life's task according to his capacities; the second - to devote himself to it entirely. To Seymour Halpern with good wishes I.P. Pavlov." Very rare.

細節
PAVLOV, IVAN (1849-1936). Photographic reproduction inscribed and signed ("I.P. Pavlov"), n.p., n.d. [circa 1925]. 213 x 121 mm. (8 3/8 x 5¾ in) including mount, a few minor creases. A shoulder-length portrait, inscribed on the mount: "The first success of man is to choose his life's task according to his capacities; the second - to devote himself to it entirely. To Seymour Halpern with good wishes I.P. Pavlov." Very rare.

"The Russian physiologist is best known for the hungry dog he trained to salivate at the sound of a bell, introducing the concept of conditioned reflex. An outstanding inscription"--W.M.
來源
The Cornelius Greenway Collection (sale, Part II, Sotheby Parke Bernet, 4 May 1971, lot 258).